Merge m-c to a CLOSED TREE birch

xpcom/base/nsCycleCollector.cpp

@@ -1885,7 +1885,6 @@ GCGraphBuilder::AddNode(void *s, nsCycleCollectionParticipant *aParticipant)
 {
     PtrToNodeEntry *e = static_cast<PtrToNodeEntry*>(PL_DHashTableOperate(&mPtrToNodeMap, s, PL_DHASH_ADD));
     if (!e) {
-        NS_WARNING("Hash table add in GCGraphBuilder::AddNode failed");
         return nullptr;
     }
 

xpcom/glue/nsDeque.cpp

@@ -175,7 +175,6 @@ bool nsDeque::GrowCapacity() {
  */
 nsDeque& nsDeque::Push(void* aItem) {
   if (mSize==mCapacity && !GrowCapacity()) {
-    NS_WARNING("out of memory");
     return *this;
   }
   mData[modulus(mOrigin + mSize, mCapacity)]=aItem;